package org.qb.mapreduce.rewritePartioner;

import org.apache.hadoop.io.LongWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Mapper;

import java.io.IOException;

public class FlowMapper extends Mapper<LongWritable, Text,Text, FlowBean> {

    private Text outK = new Text();
    private FlowBean outV = new FlowBean();

    @Override
    protected void map(LongWritable key, Text value, Mapper<LongWritable, Text, Text, FlowBean>.Context context) throws IOException, InterruptedException {

        //1、获取一行
        //2、进行切割
        String[] split = value.toString().split("\t");

        //3、抓取想要的数据，手机号，上行流量，下行流量
        String phone = split[1];
        String up = split[split.length - 3];
        String down = split[split.length - 2];

        //4、进行封装
        outK.set(phone);
        outV.setUpFlow(Long.parseLong(up));
        outV.setDownFlow(Long.parseLong(down));
        outV.setSumFlow();

        //5、写出
        context.write(outK,outV);
    }
}
